CVE-2026-94084

EUVD-2026-83639
Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use http.response_header with and without a transform.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.4 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 45.55%
Affected Products (NVD)
VendorProductVersion
oisfsuricata
𝑥
< 8.0.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
suricata
forky
1:8.0.7-2
fixed
sid
1:8.0.7-2
fixed
trixie
ignored
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
suricata
bionic
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
stonking
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://forum.suricata.io/t/suricata-8-0-7-released/6467
https://github.com/OISF/suricata/commit/1d66355dc8737bb2ae7a198115b3067e3ad49808
https://github.com/OISF/suricata/compare/suricata-8.0.6...suricata-8.0.7